TCA9548A I2C 8 Channel Multiple Extensions Development Board
$ 98.22
5V Tolerant Inputs Supports Hot Insertion I2C Bus and SMBus Compatible Low Standby Current 1-to-8 Bidirectional Translating Switches Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II Active-Low Reset Input Power Up With All Switch Channels Deselected

PCF8574 IO Expansion I2C Module
RCWL0516 Microwave Radar Sensor